AS3300

Name: AS3300 — British Telecommunications PLC
Creator: ipdex

British Telecommunications PLC ISP registered in United States

122IPv4 prefixes

29IPv6 prefixes

71%RPKI-valid

#1,450AS Rank

#215Rank in United States

1994-10-28Allocated

British Telecommunications PLC (AS3300) — ISP, registered in United States. announces 122 IPv4 prefixes + 29 IPv6 prefixes. Rank in United States: #215. Allocated: 1994-10-28.

IPv4 122IPv6 29

Announced prefixes · 151

v4 136.238.168.0/24 unknown
v4 136.238.185.0/24 unknown
v4 136.238.187.0/24 unknown
v4 136.238.229.0/24 unknown
v4 136.238.232.0/24 unknown
v4 136.238.238.0/24 unknown
v4 136.238.239.0/24 unknown
v4 136.238.240.0/24 unknown
v4 136.238.241.0/24 unknown
v4 136.238.243.0/24 unknown
v4 185.249.5.0/24 unknown
v4 185.249.6.0/24 unknown
v4 192.157.130.0/23 valid
v4 192.157.132.0/22 valid
v4 192.157.136.0/21 valid
v4 192.157.144.0/20 valid
v4 192.157.160.0/23 valid
v4 192.237.64.0/18 valid
v4 192.92.18.0/24 unknown
v4 192.92.19.0/24 unknown
v4 192.92.20.0/22 valid
v4 192.92.24.0/21 valid
v4 192.92.32.0/19 valid
v4 192.92.80.0/23 valid
v4 192.92.82.0/24 valid
v4 194.33.52.0/24 unknown
v4 195.206.69.0/24 valid
v4 195.206.70.0/24 valid
v4 198.137.75.0/24 unknown
v4 198.178.237.0/24 unknown
v4 198.178.239.0/24 unknown
v4 198.207.127.0/24 valid
v4 198.207.64.0/18 valid
v4 198.207.64.0/22 valid
v4 198.207.67.0/24 valid
v4 198.207.68.0/22 valid
v4 198.207.72.0/22 valid
v4 198.207.74.0/24 valid
v4 198.207.75.0/24 valid
v4 198.207.76.0/22 valid
v4 198.207.78.0/24 valid
v4 198.207.79.0/24 valid
v4 198.207.80.0/22 valid
v4 199.6.64.0/18 valid
v4 203.187.128.0/19 valid
v4 203.187.128.0/22 valid
v4 203.187.145.0/24 valid
v4 203.187.146.0/24 valid
v4 204.140.64.0/18 valid
v4 204.231.0.0/17 valid

RPKI: rpki.cloudflare.com · 2026-06-17

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	151
2026-06-13	151
2026-06-14	151

Internet Exchanges · 16

Equinix Dallas Dallas 120 Gbps
Equinix Chicago Chicago 110 Gbps
Equinix Ashburn Ashburn 100 Gbps
Equinix Los Angeles Los Angeles 100 Gbps
Equinix San Jose San Jose 100 Gbps
NYIIX New York New York 100 Gbps
Equinix Atlanta Atlanta 20 Gbps
Equinix Miami Miami 20 Gbps
Equinix Singapore Singapore 20 Gbps
Equinix Sydney Sydney 20 Gbps
Equinix Hong Kong Hong Kong 10 Gbps
HKIX Hong Kong 10 Gbps
IX.br (PTT.br) São Paulo São Paulo/SP 10 Gbps
JPIX TOKYO Tokyo 10 Gbps
NAPAfrica IX Johannesburg Johannesburg 10 Gbps
TorIX Toronto 10 Gbps

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AS3300

Announced prefixes · 151

Prefix history

Internet Exchanges · 16

AS topology · Customer cone 23

Providers · 8

Peers · 66

Customers · 21

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